Dizziness after a fall in the elderly may be caused by concussion due to trauma, and dizziness caused by cardiovascular disease, so it is necessary to go to the hospital for a CT examination in time. 1. Concussion: If it is caused by dizziness after a head fall, which causes abnormal balance perception, symptoms such as dizziness and blurred vision may occur, but it is necessary to investigate whether there is bleeding in the skull. You can go to the regular hospital for cranial CT examination, etc., to clarify the cause of the disease and treat the symptoms. 2. Cardiovascular and cerebrovascular diseases: if there are underlying diseases such as hypertension, the fall will cause cerebrovascular rupture, or cerebral thrombosis and other cardiovascular diseases, resulting in vertigo of the brain, the same need to go to the hospital for examination and treatment. It is recommended that the elderly must be accompanied by family members when they go out to prevent falls or slips, and once a fall occurs, they should go to a regular hospital for consultation and treatment in a timely manner.